//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//

package com.hafu.util;

public class StringUtil {
    public StringUtil() {
    }

    public static boolean isEmpty(String str) {
        return str == null || str.trim().length() == 0;
    }

    public static void main(String[] args) {
        String s1 = null;
        String s2 = "";
        System.out.println(s2);
        System.out.println((String)s1);
        System.out.println(isEmpty((String)s1));
        System.out.println(isEmpty(s2));
    }
}

